Carburetor air intake heater



FIG. 1 is a front elevational view of a carburetor air intake heater showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a right side elevational view thereof. 

The ornamental design for a carburetor air intake heater, as shown and described. 